query_token
rc = rtas_call(query_token, 4, 3, rtas_ret, addr,
static int query_token, change_token;
query_token = rtas_function_token(RTAS_FN_IBM_QUERY_INTERRUPT_SOURCE_NUMBER);
if ((query_token == RTAS_UNKNOWN_SERVICE) ||
ret = query_token(CAPSULE_EN_TOKEN, buffer);
ret = query_token(CAPSULE_DIS_TOKEN, buffer);